Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
qian wang » yiqian wang, qian rong, qian yan
sang minh » kang minah, anh minh, song min
yang hua » wang hua, yang hui, ying hua
ming hua » ying hua, ming hung, wang hua
lee sang » lee ann
hong yu » wong yue
kong » long, pong, ong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan chang) or (qian wang)) ((yang hua) or (ming hua)) lee sang minh ((hong kong) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan chang) OR (qian wang)) ((yang hua) OR (ming hua)) lee sang minh ((hong kong) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: ((yuan chang) or (qian wang)) ((yang hua) or (ming hua)) lee sang minh ((hong kong) or (hong yu)) ;*.